Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual personagem é a voz de Yumi Kakazu?
 ###Tabelas: CREATE TABLE banned_substances (banned_substances_id AUTO_INCREMENT PRIMARY KEY, Athlete VARCHAR, Nation VARCHAR, Olympics INT, Substance VARCHAR, Punishment VARCHAR) CREATE TABLE series_characters (series_characters_id AUTO_INCREMENT PRIMARY KEY, Character VARCHAR, Game VARCHAR, Platform VARCHAR, Status VARCHAR, Mystic Arte VARCHAR, Character Voice VARCHAR) CREATE TABLE conference_championships (conference_championships_id AUTO_INCREMENT PRIMARY KEY, Year VARCHAR, Conference VARCHAR, Overall Record VARCHAR, Conference Record VARCHAR, Coach VARCHAR) CREATE TABLE head-to-head_records_against_other_countries (head-to-head_records_against_other_countries_id AUTO_INCREMENT PRIMARY KEY, Games INT, Wins INT, Draws INT, Losses INT, Goals For INT, Goals Against INT, Goal Differential VARCHAR) CREATE TABLE belting_system (belting_system_id AUTO_INCREMENT PRIMARY KEY, Evaluation average (From February 2011) INT, Evaluation average (From April 2009) VARCHAR, Evaluation average (Before April 2009) VARCHAR, % of negative evaluations VARCHAR, Submitting schedule on time VARCHAR, Punctuality/Attendance issues VARCHAR, Peak lessons taught INT)  
SELECT Character FROM series_characters WHERE Character Voice = Yumi Kakazu